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Air Filter Shield

While many people worry about outdoor air quality, statistics show that they actually should be more concerned about indoor air quality (IAQ). IAQ is the measure of harmful pollutants discovered within or around your home. The EPA ranks IAQ as one of the top five public health risks.

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Air Filter FAQ

Can I use the same air filter for both heat and AC?

Yes, both AC filters and furnace filters are the same thing. We categorize filters based on their intended use to make filter shopping easier for the customer. During the summer months you are more likely to search for AC filters. While during colder winter months you are looking to buy furnace filters. A good tip for remembering when to change your filters is to replace them at the start of each new season.

Which direction does the air filter go?

Always point the arrow on the box in the direction of airflow. If you are unsure the direction of airflow turn on the system fan. Do not remove the old filter before checking airflow as this might allow dirt or debris to escape.

What is air filter MERV rating?

The Minimum Efficiency Reporting Value (MERV) is used by manufacturers to explain how efficent the air filter is at trapping airborne particles. A higher MERV rating means cleaner air but reduced air flow. MERV 8 filters capture 80% of airborn particles like pollen, dust mites, mold spores, and pet dander down to 3 microns in size. MERV 11 air filters capture up to 95% of the above mentioned airborne particles down to 1 micron in size. If you choose a MERV 13 filter expect greatly diminished airflow but improved filtration of bacteria, tobacco smoke, and cooking oil down to 0.3 micorn in size. Before you choose a MERV rating check with your HVAC manufacturer to see what your system is designed to handle. Picking the wrong filter can impact air flow and reduce equipment life.

When to change the air filter in your house?

Replace your air filters every 3 months. You may need to replace your filters more frequently depending on air quality. If you are unsure about indoor air quailty check the filter monthly. If you notice the filter material is greatly discolored or noticably dirty change out the filter. Failing to replace air filters as recommened can lead to reduced system efficieny, greater energy costs, and poor air quailty.

Which air filter is best for allergies?

If you have respiratory problems caused by pollen, dust, mold, or pet dander a MERV 11 filter can help reduce the severity of aliments caused by allergies. If you are sensitive to smoke from cooking or tobacco a MERV 13 filter is recommend. For many allergy sufferers it is recommend you install filters to process both supply and return air. Before you choose a MERV rating check with your HVAC manufacturer to see what your system is designed to handle. Picking the wrong filter can impact air flow and reduce equipment life.

Which air filter is best for my home?

Your choice in air filter should depend on needs. MERV 8 filters are perfect if you have no pets and allergies are not a serious concern. MERV 11 filters are recommend for occasional allergy sufferers and homes with pets. A MERV 13 filter should be used if allergies are a serious concern and there are tobacco smokers in the house.

Where are they made?

Filtersfast brand air filters are proudly made in America. While the manufacturing location of products can vary from company-to-company, Country of Origin laws require that most products manufactured outside of America bear labeling that tells consumers where the product is made. This label should be visable on the product itself or the packaging in which it arrived.

Are the home air filters electrostatically charged?

Yes, Filtersfast, Filtrete, Carrier, among many other air filter brands use an electrostatically charged filter media. Fiberglass air filters are far less common today and were never designed to improve air quality, rather they protect HVAC systems from large dirt and debris.


Air Filters full product list:


Honeywell FC40R1052 16x20 Return Air Grille Filter 5-Pack
(FC40R1052)

The Honeywell FC40R1052 is a high-efficiency, replacement AC filter for return grille applications. Designed to capture airborne particles that circulate through the filter. Nominal Dimension 16x20x4. Genuine Honeywell Part.


In Stock! Ships in 1 to 2 business days.
Honeywell FC40R1052 16x20 Return Air Grille Filter
Our Price: $259.95

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FiltersFast Replacement For Trane FFC14275TRNM13 14x27x5 Air Filter 2-Pack
(FFC14275TRNM13)

The Trane FFC14275TRNM13 compatible air filter is a replacement furnace air filter that fits the TFM145BOFRO Perfect Fit High Efficiency Air Cleaner.


In Stock! Ships in 2 to 3 business days.
FiltersFast Replacement For Trane FFC14275TRNM13 14x27x5 Air Filter
Our Price: $56.98

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BestAir R14ALLM Replacement For Honeywell HRF-B2 2-Pack
(HRF-B2 1 R)

The Honeywell HRF-B2 Carbon PreFilter 2-Pack is the correct replacement for the following models of Honeywell air purifiers: HHT-090 HHT-011 HHT-145 HPA-150 HPA-050 This carbon prefilter removes mold spores, pet dander, tobacco smoke, and


In stock! Ships in 1 business day.
BestAir R14ALLM Replacement For Honeywell HRF-B2 2-Pack
Our Price: $17.99
Retail: $19.99
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FiltersFast A10PR R Replacement for Lasko 5000L
(Lasko 5000L R)

The FiltersFast A10PR R is the correct replacement for the Lasko 5000L R and for the following humidifier models:


In stock! Ships in 1 business day.
FiltersFast A10PR R Replacement for Lasko 5000L
As Low As: $6.99
Retail: $10.99
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AMP-G8-1056 Replacement for Goodman G13MU2025 3-Pack
(G8-1056)

The Goodman G13MU2025 Air Filter Replacements - 3 Pack has more surface area, which means more collection area, lower static pressure and longer filter life.

Free shipping within the continental United States!

In Stock! Ships in 9 to 10 business days.
AMP-G8-1056 Replacement for Goodman G13MU2025 3-Pack
Our Price: $174.00
Retail: $199.99
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Carrier 356066-1202 Charcoal Filter for EACBAXCC00 2-Pack
(356066-1202)

The Carrier 356066-1202 Charcoal Filter is a genuine OEM factory replacement charcoal carbon filter for compatible Carrier air cleaners and Bryant air cleaners, especially the Carrier EACBAXCC0014 Electronic Air Cleaner.


Special Order. Ships in 8 days.
Carrier 356066-1202 Charcoal Filter for EACBAXCC00
Our Price: $127.24

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Hunter 30962 QuietFlo HEPA Purifier Filter
(30962)

The Hunter 30962 QuietFlo HEPA Purifier Filter is an electrostatically-charged filter that captures 99.97% of particles as small as 0.3 microns. This is a true HEPA filter and a genuine OEM Hunter part.


Special Order. Ships in 3 days.
Hunter 30962 QuietFlo HEPA Purifier Filter
Our Price: $73.99
Retail: $85.00
You Save 13%!

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Duracraft ACA-1010 Air Cleaner Filter Replacement
(ACA-1010 R)

The Duracraft ACA-1010 Air Cleaner Filter Replacement is a HEPA filter which is 99.97% effective at removing dust, dirt, pollen, fibers, pet hair and dander, mold and spores as small as 0.3 microns.


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Duracraft ACA-1010 Air Cleaner Filter Replacement
Our Price: $20.99
Retail: $24.39
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Honeywell F100F2044 25x20 Whole House Air Cleaner
(F100F2044)

The Honeywell F100F2044 25x20 Whole House Air Cleaner does not require electrical connections and mounts in the return air duct in any position.

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In Stock! Ships in 4 to 5 business days.
Honeywell F100F2044 25x20 Whole House Air Cleaner
Our Price: $123.69
Retail: $134.99
You Save 8%!

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BestAir R14ALLM Replacement For Bionaire A1000C 2-Pack
(Bionaire A1000C 1 R)

The Bionaire A1000C Carbon PreFilter 2-Pack is the correct replacement for the following models of Bionaire air cleaners: SH1240 SH1260 SH1840 SH1860 This carbon prefilter's dimensions are 11.5" x 11.5" x 0.2". This Bionaire prefilter traps


In stock! Ships in 1 business day.
BestAir R14ALLM Replacement For Bionaire A1000C 2-Pack
Our Price: $17.99
Retail: $19.99
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GeneralAire GA23 Humidifier Vapor Pad Replacement 10-Pack
(7923)

Humidifier vapor pads, sometimes called humidifier filter pads or vapor pad replacements, are one of the most important elements in a humidifier. This is because they are the key component in creating the vapor that re-introduces moisture into dry a


In Stock! Ships in 8 to 9 business days.
GeneralAire GA23 Humidifier Vapor Pad Replacement
Our Price: $109.90

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Lennox X8345 MERV 16 Filter Upgrade Kit
(X8345)

The Lennox upgrade kit, part number x8345 is meant for your Lennox PureAir PCO-20C air filtration unit. This MERV 16 filter measures 21" x 26" x 4" inches. Also known as the Lennox healthy climate, this filter upgrade kit will provide you with even

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In Stock! Ships in 9 to 10 business days.
Lennox X8345 MERV 16 Filter Upgrade Kit
Our Price: $312.15
Retail: $343.15
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Lennox X8347 MERV 16 Filter Upgrade Kit
(X8347)

The Lennox X8347 is the correct replacement for the following air cleaner: Lennox PureAir Healthy Climate PCO-12C Air Purification System

Free shipping within the continental United States!

In Stock! Ships in 8 to 9 business days.
Lennox X8347 MERV 16 Filter Upgrade Kit
Our Price: $289.99
Retail: $326.95
You Save 11%!

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Essick Air 1103 HEPA Filter Replacement 3-Pack
(1103)

The Essick Air 1103 HEPA Filter Replacement fits the HEPA Filter 1103 for Bemis True HEPA Air Purification System 127-001. These Essick filters are rated to remove 99.97 percent of all airborne particles.


Special Order. Ships in 14 days.
Essick Air 1103 HEPA Filter Replacement
Our Price: $182.97

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FiltersFast Replacement Filter For Trion Air Bear 20x25x5
(AB20258)

The AB20258 is the correct air filter replacement used in Trion Air Bear, Air Bear Classic, Air Bear Plus 2000 and Trion Air Bear Supreme 2000 Air Cleaners.


In Stock! Ships in 1 to 2 business days.
FiltersFast Replacement Filter For Trion Air Bear 20x25x5
Our Price: $40.98
Retail: $50.00
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Holmes HAPF92 Air Purifier Carbon PreFilter 2-Pack
(ROHAPF92M)

The Holmes HAPF92 Air Purifier Carbon PreFilter-2 Pack fits the Holmes HAP292 model air purifier. This carbon prefilter features Microban technology with anti microbial and anti bacterial filter protection. The Holmes HAPF92 Air Purifier Carbon P


In Stock! Ships in 1 to 2 business days.
Holmes HAPF92 Air Purifier Carbon PreFilter
Our Price: $15.98

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Carrier 318501-761 Humidifier Water Filter Pad
(Carrier 318501-761)

The Carrier 318501-761 is the correct replacement for the following humidifiers: Carrier 49WS020/914A Humidifiers Carrier 914AW066A Humidifiers Carrier P110-WTR2019A Humidifiers


Special Order. Ships in 11 days.
Carrier 318501-761 Humidifier Water Filter Pad
Our Price: $19.60
Retail: $19.99
You Save 2%!

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FiltersFast A10PR R Replacement for BDP HUMBBSBP2312-A
(BDP HUMBBSBP2312-A R)

The FiltersFast A10PR R is the correct replacement filter for the BDP HUMBBSBP2312-A R and for the following humidifier models:


In stock! Ships in 1 business day.
FiltersFast A10PR R Replacement for BDP HUMBBSBP2312-A
As Low As: $6.99
Retail: $10.99
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Air Care 1050 Tabletop Air Purifier Filter 6-Pack 6-Pack
(1050)

The Essick Air 1050 Tabletop Air Purifier Filter is a two-stage air cleaning filter that fits several Bemis by Essick Air air purifier models. This tabletop air cleaner filter removes dust, pollen, smoke, and odors from your air and utilizes activat


Special Order. Ships in 17 days.
Air Care 1050 Tabletop Air Purifier Filter 6-Pack
Our Price: $47.94

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Trion Air Bear Supreme 1400 Comp Air Filters 2-Pk 2-Pack
(AB-51625-8)

The Trion AB-51625-8 replaces the following Trion Air Bear air filters: Air Bear 1400 - 255649-103 Air Bear 1400 - 229990-103 Air Bear 2000 - 255649-102


Special Order. Ships in 8 days.
Trion Air Bear Supreme 1400 Comp Air Filters 2-Pk
Our Price: $63.90

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Lennox X6661 Healthy Climate Filter Cabinet
(X6661)

The Lennox X6661 Healthy Climate Filter Cabinet is a replacement filter cabinet for Lennox Healthy Climate air cleaner models HC10 and HC 16. This air filter cabinet measures approximately 20x25x5 and is also known as the HCC20-28.

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
Lennox X6661 Healthy Climate Filter Cabinet
Our Price: $89.99
Retail: $120.95
You Save 26%!

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Hunter 30965 QuietFlo HEPA Purifier Filter 3-Pack
(30965)

The Hunter 30965 QuietFlo HEPA Purifier Filter is an electrostatically-charged filter that captures 99.9% of particles as small as 0.3 microns. This is a true HEPA filter and a genuine OEM Hunter part.


Special Order. Ships in 5 days.
Hunter 30965 QuietFlo HEPA Purifier Filter
Our Price: $110.97

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Trion 227833-003 Charcoal Filter 5-Pack
(227833-003)

The Trion 227833-003 Charcoal Filter is an air filter replacement that fits select Trion 16x25 air cleaner models (see above). This Trion filter measures approximately 12" x 16" x 3/8" and features activated charcoal that absorbs odors and


Special Order. Ships in 10 days.
Trion 227833-003 Charcoal Filter
Our Price: $169.95

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Lennox 94X98 HEPA 20 Filter System Carbon Canister
(94X98)

The Lennox 94X98 HEPA 20 Filter System Carbon Canister is a replacement carbon canister for the Lennox HEPA 20 whole house air cleaner, which is designed to be attached to the ductwork of a home or office.

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In Stock! Ships in 1 to 2 business days.
Lennox 94X98 HEPA 20 Filter System Carbon Canister
Our Price: $101.86
Retail: $141.00
You Save 28%!

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Norelco CAF150 Carbon PreFilter 2-Pack
(NORELCO CAF150 1 R)

The Norelco CAF150 Carbon PreFilter 2-Pack is the correct replacement for the following models of Norelco air cleaners: CAS 1050 CAS 1051 CAS 2051 This carbon prefilter measures 7.28" x 2.36" x 9.45". This Norelco prefilter comes with two fi


In stock! Ships in 1 business day.
Norelco CAF150 Carbon PreFilter 2-Pack
Our Price: $17.99
Retail: $19.99
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